TY  JOUR
TI  EFFICIENCY OF GRAIN-CROP ROTATION, DEPENDING ON SEEDING OF MANURE, STRAW AND INTERMEDIATE SIDERATE
KW  crop rotation
KW  addition density
KW  structure of aggregates
KW  humus
KW  productivity
JO  Vestnik of Kazan State Agrarian University
AU  Akhmetzyanov, M.R.
AU  Talanov, I.P.
PY  2020
IS  14
PB  Kazan state agrarian University